20881372 is an even 8-digits composite number following 20881371
and preceding 20881373 . In scientific notation, it is written as 2.0881372 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 9826496 positive integers (up to 20881372) that are relatively prime to 20881372.
20881372 has 12 divisors, whose sum is 38692080
The reverse of 20881372 is 27318802
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million eight hundred eighty-one thousand three hundred seventy-two
Scientific notation
2.0881372 × 10^7
Engineering notation
2.0881372 × 10^6
Prime Factorization
2 × 2 × 17 × 307079
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10440686
Product of the distinct prime numbers
The prime factorization of 20881372 is 2 × 2 × 17 × 307079.
Since it has a total of 4 prime factors.
7 , 9 , 85 , 29 , 813 , 711 , 4446 , 5922 , 46887 , 23419 , 978460 , 318008 , 5289583 , 7016833 , 21343664 , 29403871 , 807591854 , 283642340 , 2717580230 , 4996885389
n×2
41762744
n×3
62644116
n×4
83525488
n×5
104406860
n÷2
10440686
n÷3
6960457.3333333
n÷3
5220343
n÷5
4176274.4
n2
436031696602384
n3
9.1049400605455E+21
n4
1.9012364044195E+29
n5
3.9700424620627E+36
2 √n
4569.6139880738
3 √n
275.37193530119
4 √n
67.598920021505
5 √n
29.103941319139
1 , 2 , 4 , 17 , 34 , 68 , 307079 , 614158 , 1228316 , 5220343 , 10440686 , 20881372
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20881371
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20881372 can be divided by 12 positive divisors.
The sum of these divisors (counting 20881372) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111101001111111011100
3
Ternary
1110021212212011
4
Quaternary
1033221333130
5
Quinary
20321200442
6
Senary
2023321004
8
Octal
117517734
10
Decimal
20881372
12
Duodecimal
6bb0164
16
Hexadecimal
13e9fdc
20
Vigesimal
6aa38c
36
Base36
cfk64
md5
e2c3d66b31647115f6e9c5aaa54d0d10
sha1
9cb7be3ead91b3d2c3c41f1e7b87432be7db5309
sha256
82f0f8262fb12772140aea4d80445327cef270391775ffba511c6d57c79149cc
sha512
a042353445486f88682ff66273c613cbba0d271f6120e2213023a4b9cb60833e379022434a0e5f7debcceeb4132f1d1f9622f2d546e1cbc4c8926252ae8b296c
ripemd-160
f1f19b185d53a4615a000d92a9e1a26aff7e8d49
Diameter
41762744
Circumference
131201529.74415
Area
1.3698339747783E+15
Volume
3.813868374078E+22
Surface area
5.4793358991134E+15
Circumference
131201529.74415
Perimeter
83525488
Area
436031696602384
Diagonal
29530719.483358
Surface area
2616190179614304
Volume
9.1049400605455E+21
Space diagonal
36167597.235746
Perimeter
62644116
Area
1.8880726305645E+14
Altitude
18083798.617873
Surface area
1.8880726305645E+14
Volume
1.0730274765181E+21
Height
9843573.1611193